| 释义 |
bar·chan 英'bɑːkən美'bɑːkən COCA²²⁹⁴⁹²BNC⁷⁵⁹⁹¹⁺¹²
基本例句
新月形沙丘,弧形沙洲
The scattered single barchan dunes on the non sand bed possess movability and form unstability except the high large crescent sand mountain.
非沙质床面零星分布的单个新月形沙丘具有明显的移动性和形态的不稳定性高大新月形沙山除外。 cnki
These strangely shaped dunes are known as barchan dunes and are common on both Earth and Mars.
形状怪异的沙丘是地球和火星上比较常见的新月沙丘。 yeeyan
It is known for its dramatic dunes, including the crescent- shaped barchan dunes shown here, some of which can reach100 feet30 meters high and 1,200 feet370 meters wide.
这里因有着壮观的沙丘而知名，比如图中的这些半月状的弧形沙丘，有些沙丘甚至可高达100英尺30米，宽达1，200英尺370米。 xgcollege |